UV Index in Chengshan, China

Last updated: July 2, 2025

In Chengshan, China, awareness of the UV Index is crucial for safeguarding your skin health and preventing sunburn. Understanding UV levels helps residents and visitors alike to take necessary precautions against harmful sun exposure, particularly during peak hours when the index reaches its highest levels—peaking at 12 around noon. With Chengshan's Cwa climate, characterized by warm summers and significant UV radiation, knowing how to manage your sun exposure can protect you from potential skin damage. So whether you're enjoying outdoor activities or simply soaking up the sun, keep an eye on the UV Index and stay protected!

Hourly UV Index in Chengshan

From the early morning hours, the UV Index increased steadily, starting at 2 at 7:00 AM and peaking at an intense 12 by noon. The sun reached its highest intensity around 11:00 AM, with a UV Index of 11, prompting caution for outdoor activities. As the afternoon unfolded, the UV levels began to decline, dropping to 10 at 1:00 PM, then tapering off to 5 by 3:00 PM. By the time evening set in, the index fell further, reaching 1 by 6:00 PM and fading into 1 at 7:00 PM. This hourly progression underscores the importance of sun safety during the midday hours when UV exposure is at its peak.

Average solar exposure data for the current time of the year. Actual values may vary and depend on many factors, such as cloud cover, vegetation cover, surface type, etc.
TimeUVICategoryTime to Burn
07:002low45 min
08:004moderate30 min
09:007high25 min
10:009very high15 min
11:0011extreme10 min
12:0012extreme10 min
13:0010very high15 min
14:008very high15 min
15:005moderate30 min
16:003moderate30 min
17:002low45 min
18:001low45 min
19:001low45 min

Monthly UV Index Trends in Chengshan

Throughout the year, the UV Index shows significant fluctuations, with the highest values occurring during the summer months. From January to February, exposure levels remain moderate (UV Index 3-4), allowing for a burn time of 30 minutes. As we move into March and April, the index rises sharply, reaching high (6) and very high (8) levels, with burn times decreasing to 25 and just 15 minutes, respectively. The months of May through August pose the highest risk, with UV Index readings peaking at 11 and 12 during July and August, where even short exposures can lead to sunburn (10 minutes burn time). After this peak, the index gradually decreases in September (9) and October (7), yet still demands caution with burn times of 15 and 25 minutes. As winter arrives, November and December see a return to moderate levels, albeit with a sustained emphasis on protective measures. Visitors and residents should remain vigilant during the high-risk months of May through August, adopting sun safety protocols like wearing sunscreen, protective clothing, and seeking shade during peak hours.

Monthly Maximum UV Index for Chengshan, China

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Chengshan. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec347891012119643
Data source: Statistical UV Index data for Chengshan, based on information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Compare Chengshan UV Index with Other China Cities

The table above highlights how UV exposure in Chengshan compares to other major locations across China. This comparison helps travelers and residents better understand regional sun intensity and plan outdoor activities with sun safety in mind.
Chengshan's solar exposure compared to other cities in China. Generated using Copernicus Atmosphere Monitoring Service information.
 JanFebMarAprMayJunJulAugSepOctNovDec
Beijing UVI2358991097642
Chengshan346891011129743
Chengdu UVI568101211111011864
Shanghai UVI568101011121111864
Guangzhou UVI79111213131312111097
Shenzhen UVI710121214131313121197